21544620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2621}}^1$

素因数の和:2770

約数の個数: 48

約数和(自身を含む): 60788448

約数和(自身を除く): 39243828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 411, 548, 685, 822, 1370, 1644, 2055, 2621, 2740, 4110, 5242, 7863, 8220, 10484, 13105, 15726, 26210, 31452, 39315, 52420, 78630, 157260, 359077, 718154, 1077231, 1436308, 1795385, 2154462, 3590770, 4308924, 5386155, 7181540, 10772310, 21544620]

約数ペア:

[(1, 21544620), (2, 10772310), (3, 7181540), (4, 5386155), (5, 4308924), (6, 3590770), (10, 2154462), (12, 1795385), (15, 1436308), (20, 1077231), (30, 718154), (60, 359077), (137, 157260), (274, 78630), (411, 52420), (548, 39315), (685, 31452), (822, 26210), (1370, 15726), (1644, 13105), (2055, 10484), (2621, 8220), (2740, 7863), (4110, 5242)]